After a fight with her brother, Turquoise Blitz, Crystal Clarity learns that siblings always make up with help from a story of Twilight's about a fight she had with Spike.
After a dare gone awry, Crystal Clarity—the daughter of Spike and Rarity—loses one of her horns, as well as her ability to use magic and spit fire. Will it grow back before anypony finds out? Or is she sentenced to life as a one-horned freak?